Princeton's WordNet

1. one-third, third, tierce(noun)

   one of three equal parts of a divisible whole

   "it contains approximately a third of the minimum daily requirement"

2. third base, third(noun)

   the fielding position of the player on a baseball team who is stationed near the third of the bases in the infield (counting counterclockwise from home plate)

   "he is playing third"

3. third(noun)

   following the second position in an ordering or series

   "a distant third"; "he answered the first question willingly, the second reluctantly, and the third with resentment"

4. third(noun)

   the musical interval between one note and another three notes away from it

   "a simple harmony written in major thirds"

5. third gear, third(noun)

   the third from the lowest forward ratio gear in the gear box of a motor vehicle

   "you shouldn't try to start in third gear"

6. third base, third(adj)

   the base that must be touched third by a base runner in baseball

   "he was cut down on a close play at third"

7. third, 3rd, tertiary(adverb)

   coming next after the second and just before the fourth in position

8. third, thirdly(adverb)

   in the third place

   "third we must consider unemployment"

Kernerman English Learner's Dictionary

1. thirdθɜrd

   in the number 3 position

   That's the third time they've called.; He was third in line.

2. thirdθɜrd

   one of three equal parts

   a circular chart divided into thirds

Wiktionary

1. third(Noun)

   The person or thing in the third position.

   Jones came in third.

2. third(Noun)

   One of three equal parts of a whole.

   He ate a third of the pie. Divided by two-thirds.

3. third(Noun)

   The third gear of an engine.

   Now put it into third.

4. third(Noun)

   An interval consisting of the first and third notes in a scale.

   They sing in thirds.

5. third(Noun)

   third base

   The play ended with Jones standing on third.

6. third(Noun)

   One sixtieth of a second, i.e., the third in a series of fractional parts in a sexagesimal number system. Also formerly known as a tierce.

7. third(Verb)

   To agree with a proposition or statement after it has already been seconded.

8. third(Verb)

   To divide into three equal parts.

Origin: þridda

Webster Dictionary

1. Third(adj)

   next after the second; coming after two others; -- the ordinal of three; as, the third hour in the day

2. Third(adj)

   constituting or being one of three equal parts into which anything is divided; as, the third part of a day

3. Third(noun)

   the quotient of a unit divided by three; one of three equal parts into which anything is divided

4. Third(noun)

   the sixtieth part of a second of time

5. Third(noun)

   the third tone of the scale; the mediant

6. Third(noun)

   the third part of the estate of a deceased husband, which, by some local laws, the widow is entitled to enjoy during her life

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